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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/116418
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dc.contributor.authorOliveira, J. R. de-
dc.contributor.authorBerengue, O. M.-
dc.contributor.authorMoro, J.-
dc.contributor.authorFerreira, N. G.-
dc.contributor.authorChiquito, A. J.-
dc.contributor.authorBaldan, M. R.-
dc.date.accessioned2015-03-18T15:53:17Z-
dc.date.accessioned2016-10-25T20:24:44Z-
dc.date.available2015-03-18T15:53:17Z-
dc.date.available2016-10-25T20:24:44Z-
dc.date.issued2014-08-30-
dc.identifierhttp://dx.doi.org/10.1016/j.apsusc.2014.04.161-
dc.identifier.citationApplied Surface Science. Amsterdam: Elsevier Science Bv, v. 311, p. 5-8, 2014.-
dc.identifier.issn0169-4332-
dc.identifier.urihttp://hdl.handle.net/11449/116418-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/116418-
dc.description.abstractThe influence of doping level in the electronic conductivity and resistivity properties of synthetic diamond films grown by hot filament chemical vapor deposition (HFCVD) was investigated. Eight different doping level concentrations varied from 500 to 30,000 ppm were considered. The polycrystalline morphology observed by scanning electron microscopy and Raman spectra was strongly affected by the addition of boron. The electric characterization by Hall effect as a function of temperature and magnetic field showed that at sufficiently low temperatures, electrical conduction is dominated by variable range hopping (VRH) conducting process. The resistivity was also investigated by temperature-dependent transport measurements in order to investigate the conduction mechanism in the doped samples. The samples exhibited the VRH (m = 1/4) mechanism in the temperature range from 77 to 300 K. The interface between metal, and our HFCVD diamond was also investigated for the lower doped samples. (C) 2014 Elsevier B.V. All rights reserved.en
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
dc.format.extent5-8-
dc.language.isoeng-
dc.publisherElsevier B.V.-
dc.sourceWeb of Science-
dc.subjectDiamonden
dc.subjectBDDen
dc.subjectHall effecten
dc.titleTransport properties of polycrystalline boron doped diamonden
dc.typeoutro-
dc.contributor.institutionINPE LAS-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionInst Fed Educ Ciencia & Tecnol Sao Paulo-
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)-
dc.description.affiliationINPE LAS, Inst Nacl Pesquisas Espaciais, BR-12227010 Campos, SP, Brazil-
dc.description.affiliationUniv Estadual Paulista, UNESP Dept Fis, BR-12516410 Guaratingueta, Brazil-
dc.description.affiliationInst Fed Educ Ciencia & Tecnol Sao Paulo, BR-72929600 Braganca Paulista, SP, Brazil-
dc.description.affiliationUniv Fed Sao Carlos, Dept Fis, BR-13565905 Sao Carlos, SP, Brazil-
dc.description.affiliationUnespUniv Estadual Paulista, UNESP Dept Fis, BR-12516410 Guaratingueta, Brazil-
dc.description.sponsorshipIdCNPq: 2010/302640-0-
dc.description.sponsorshipIdFAPESP: 11/10171-1-
dc.identifier.doi10.1016/j.apsusc.2014.04.161-
dc.identifier.wosWOS:000339037200002-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofApplied Surface Science-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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